#0A3D3A
Closest named color: Midnight Green (#073B4C). oklch(32.7% 0.051 189), rgb(10, 61, 58).
Aa
White text reads best on this color (12.05:1).
About this color
#0A3D3A is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.051 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.035 away. White text reads best on it, at 12.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.74:1 |
| White text | 12.05:1 |
Values
| HEX | #0A3D3A |
| RGB | rgb(10, 61, 58) |
| HSL | hsl(176, 72%, 14%) |
| OKLCH | oklch(32.7% 0.051 189) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0A3D3A | 12.05:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #0A3D3A | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #0A3D3A text on white | 12.05:1 | AAA | Lc 97.3 | Preferred for body text |
| #0A3D3A text on black | 1.74:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A5C9C6
oklch(80.9% 0.039 190.2)
-
Step 400
400
#72ADA8
oklch(70.6% 0.062 189.1)
-
Step 500
500
#499993
oklch(63.1% 0.079 188.8)
-
Step 600
600
#24837E
oklch(55.5% 0.086 189.8)
-
Step 700
700
#146F6A
oklch(49.1% 0.08 189.1)
-
Step 800
800
#165A56
oklch(42.6% 0.066 189.2)
-
Step 900
900 (this color)
#0A3D3A
oklch(32.7% 0.051 189)
-
Step 950
950
#112C2A
oklch(27.1% 0.033 189)
#0A3D3A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #39393A | 0.055 |
| Deuteranopia (no green cones) | #32343A | 0.051 |
| Tritanopia (no blue cones) | #003F3C | 0.007 |
| Achromatopsia (no color) | #363636 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A3D3A
#0A3D3A
oklch(32.7% 0.051 189)
- #4B292F
#4B292F
oklch(32.7% 0.051 8.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0A3D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.043
- Onyx #343A40 ΔE 0.049
- Evergreen #05472A ΔE 0.051
- Gunmetal #293241 ΔE 0.052
- Pakistan Green #283618 ΔE 0.054
- Dark Teal #014D4E ΔE 0.056
- Charcoal #264653 ΔE 0.057
Use #0A3D3A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.